What is the area code for St. Joseph MO?

Answer 1

St. Joseph, Missouri, is in area code +1 816, the same as Kansas City, MO.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)

Answer 2

Missouri area codes:

• +1 314 = St. Louis
• +1 417 = Springfield
• +1 573 = Columbia, Jefferson City
• +1 636 = St. Charles
• +1 660 = Sedalia
• +1 816 = Kansas City

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)

Answer 3

The area code for St Louis Missouri is 314. Various suburbs are also in area codes 618 (on the Illinois side) and 636 (on the Missouri side).